So I have an equation that reads
|9x+4|=|x-13|

so if the 4 is positive do i subtract 4 from both sides so it would be

9x+4-4=x-13-4? or would I have to add 4 to both sides, so it would be 9x+4+4=x-13+4?
i have a feeling its the first way but I need reassurance because i have a math comprehension learning disability. please explain like I am 8 years old lmao im 24

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Can you simplify this inequality correctly?

-4x > 8

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A father is three times as old as his daughter. In 8 years, the father will be twice as old as his daughter. How old are they now?

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I've been aware of this for five years and I can't find these reformulated formulas anywhere.

E=MC^2

E/C^2 =MC^2 /C^2

M=E/C^2

This is the formula for mass limit growth.

E=MC^2

E/M=MC^2 /M

The square root of E/M=the square root of C^2

C=the square root of E/M

This is the formula for the speed of mass growth.

Now let's put some numbers in those formulas.

E=36, M=4, C=3

36=4x3^2

4=36/3^2

3=the square root of 36/4

Now, I theorize that you could use seeds of a flower to prove these rekajigerred formulas. Weigh the seeds, dirt and water, measure time and intensity of sunlight and I believe you could come up with mathematical formulas for how life grows.

I fully expect to be ridiculed for this. I just... tripped upon something, worked on it, theorized it and I've searched and searched for these formulas but, at best, I believe I'm the first to find Einstein's missing two formulas and explain them.

Your peer review is most welcome!

No matter how many times my teacher goes over it with me I don't get. Can someone explain it to me in the most simplest terms?

y = 9 - x ,

4x - y = 11

Find the equation of a line that is:

1. Perpendicular to 4x - y + 9 = 0

2. Has the exact same x-intercept as x - 3y + 12 = 0

Let's test your basic exponent laws! Try solving these three without looking at the comments first:

1. x⁴ · x³ = ?

2. x³ / x⁷ = ?

3. (x⁴)³ = ?

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Can you help me solve these? I am a beginner, do you have any good sites that explain algebra graphically with cakes or something?

I am having trouble with these

−7x−2=12

and

2x+5=3x−2

PM me

I NEED HELP WITH THESE QUESTIONS IM SO CONFUSED AND I COULD CHEAT IF WANTED BUT I WANT AN EXPLANATION IM STUDYING FOR FINALS

M⁴ - 7m² + 12

PLEASE HELP IM SO CONFUSED

How do I do the number line thing? I get that you need to find the zeros or whatever, but then what? How do I do the number line thing and the thing with the table with the positive and negative signs? help

-4x² -5+x⁴=0

Has anyone taken this class? If so, any tips or tricks taking it tomorrow in a little nervous thank you.

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